20243680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5539

約数の個数: 48

約数和(自身を含む): 49914144

約数和(自身を除く): 29670464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5501, 11002, 22004, 27505, 44008, 55010, 88016, 110020, 126523, 176032, 220040, 253046, 440080, 506092, 632615, 880160, 1012184, 1265230, 2024368, 2530460, 4048736, 5060920, 10121840, 20243680]

約数ペア:

[(1, 20243680), (2, 10121840), (4, 5060920), (5, 4048736), (8, 2530460), (10, 2024368), (16, 1265230), (20, 1012184), (23, 880160), (32, 632615), (40, 506092), (46, 440080), (80, 253046), (92, 220040), (115, 176032), (160, 126523), (184, 110020), (230, 88016), (368, 55010), (460, 44008), (736, 27505), (920, 22004), (1840, 11002), (3680, 5501)]